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　　從??(cong)遺??(yi)傳??(chuan)與??(yu)生??(sheng)理??(li)基??(ji)礎(chǔ)??(chu)看??(kan)??，某??(mou)些??(xie)基??(ji)因??(yin)??，如??(ru)DEC2、CLOCK基??(ji)因??(yin)的??(de)突??(tu)變?(bian)??，可??(ke)能??(neng)導(dǎo)??(dao)致??(zhi)睡??(shui)眠??(mian)時(shí)??(shi)間??(jian)較??(jiao)短??(duan)或??(huo)睡??(shui)眠??(mian)周?(zhou)期??(qi)紊??(wen)亂??(luan)；大??(da)腦??(nao)內(nèi)?(nei)血??(xue)清??(qing)素??(su)、GABA等??(deng)神??(shen)經(jīng)??(jing)遞??(di)質(zhì)??(zhi)失??(shi)衡??(heng)??，也??(ye)會(huì)??(hui)影??(ying)響??(xiang)睡??(shui)眠??(mian)的??(de)啟??(qi)動(dòng)??(dong)和?(he)維??(wei)持??(chi)??。?　　睡??(shui)眠??(mian)還??(hai)是??(shi)情??(qing)緒??(xu)的??(de)“隱??(yin)形?(xing)調(diào)??(tiao)節(jié)??(jie)器??(qi)”??。??長(zhǎng)??(chang)期??(qi)睡??(shui)眠??(mian)不??(bu)足?(zu)會(huì)??(hui)導(dǎo)??(dao)致?(zhi)杏??(xing)仁??(ren)核??(he)失??(shi)控??(kong)、神??(shen)經(jīng)??(jing)遞??(di)質(zhì)?(zhi)失??(shi)衡??(heng)、壓?(ya)力??(li)相??(xiang)關(guān)??(guan)激??(ji)素??(su)累??(lei)積??(ji)等??(deng)??，使??(shi)人??(ren)易?(yi)怒?(nu)、敏??(min)感?(gan)、沖??(chong)動(dòng)??(dong)??，進(jìn)??(jin)而?(er)引??(yin)發(fā)??(fa)抑??(yi)郁??(yu)傾??(qing)向??(xiang)和??(he)情??(qing)緒??(xu)低??(di)落??(luo)??。。